Diamond blades are generally made of steel, plastic, metal, and a combination of both. On the other hand, electric diamond blades are generally made of steel, plastic, or a combination of both.
On Alibaba.com, you can find wholesale diamond blades, are made of different sizes, materials, colors, and clarity. Pieces of wholesale diamond blades are high-quality and have a characteristics of the color such as wholesale round diamond blades, 30mm wholesale diamond blades, 30mm cutting blades, and cutting blades that are high-quality. They are not as high productivity, but with in a range of sizes.